Subversion Repositories openrisc_2011-10-31

/* { dg-do compile } */

/* { dg-options "-O2 -fdump-tree-vrp1 -fno-early-inlining" } */

typedef struct {

  int code;

} *rtx;

static inline void *zero ()

{

  return 0;

}

static inline int three ()

{

  return 3;

}

int

can_combine_p (rtx insn, rtx elt)

{

  rtx set;

  set = zero ();

  if (insn->code == three ())

    set = insn;

  else

    {

      set = elt;

      if (set == zero ())

        return 0;

    }

  if (set == zero ())

    return 1;

  return 0;

}

/* Target with fno-delete-null-pointer-checks should not fold checks */

/* { dg-final { scan-tree-dump-times "Folding predicate.*to 0" 1 "vrp1" { target { ! keeps_null_pointer_checks } } } } */

/* { dg-final { scan-tree-dump-times "Folding predicate.*to 0" 0 "vrp1" { target {   keeps_null_pointer_checks } } } } */

/* { dg-final { cleanup-tree-dump "vrp1" } } */